Olympus CX41 Manual de instrucciones - Página 19

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3-7 Simplified Phase Contrast Ring Slits CX-PH1/PH2/PH3

Appearance

Ring Slits

CX-PH1/PH2/PH3

Phase Contrast Objectives

PlanCN-Ph series (10X, 20X, 40X, 100XO)

Installation

Attach a ring slit in the same way as a filter holder.

#Be sure to replace the objective with a phase contrast objective.

Fig. 23

Fig. 24

Operation

1. Turn the revolving nose piece to engage in light path the phase

contrast objective lens with the same value as the ring slit in use.

2. Place the specimen and bring it in approximate focus.

3. Remove the eyepieces and replace them with the CT-5 centering

telescope.

4. Turn the upper ring of the CT-5 to adjust the focus so that the bright

ring (ring slit) @ and dark ring (objective's phase plate) ² are seen

clearly in the field of view. (Fig. 23)

5. Rotate the two centering knobs ³ so that the bright and dark rings

overlap concentrically. (Figs. 23 & 24)

6. Remove the CT-5, replace it with the eyepieces and start phase

contrast observation.

7. To increase the image contrast, place the green filter (45 mm diam.) on

the light exist glass of the microscope.

CX41

Green Filter

45G533 or 45IF550

Centering Telescope CT-5

(Figs. 23 & 24)